Hello, this is Ava with Think Crucial.
If your unit has a reset button, try resetting your unit. Also, replacing the filters and resetting it after putting on the replacement filters usually works. If this fix doesn't work, I suggest you contact Hunter support for assistance and their number is 888-830-1326.
You can purchase a wide variety of high quality Hunter replacement parts for your Hunter Air Purifier direct from Think Crucial with free shipping and an exclusive 10% coupon for Fixya.com readers, use code: FIXYA10
http://www.thinkcrucial.com/search?type=product&q=hunter
I hope this was helpful.
Ava B.
Think Crucial Customer Care
http://www.thinkcrucial.com/
SOURCE: red light on holmes 422 hepa filter air purifier.
What is the complete model number of the unit?
Two types of a 422 popped up on their website.
SOURCE: lights still flashing after i replaced filter
You have to press the reset button on some models. The unit does not have any way of knowing you reset the filter -- you have to tell it.
SOURCE: turn off reset button
IF RESET DOES NOT WORK DON'T WORRY
AS LONG AS YOU REMEMBER TO CHANGE
THE FILTER. CHARCOAL WHEN DIRTY AND
HEPA ONCE A YEAR OR SO.
SOURCE: bionaire bap825 air purifier
if you have a manual it will be on page 2 of the manual under cleaning and maintance. it willhave the picture there. if you don't have the manual. the hepa's go in first and they should snap on and the the carbon lays on top and then you put the back on the unti back on.
SOURCE: Why HEPA certified Filters are more preferred?
Because HEPA is the least standards that every air purifier production should meet so that consumers can have basis for their selection.
The e2f filter technology which Clair air purifier is using, is beyond the HEPA standards because it removes up to 0.1 microns particles. If people know more about this technology, I think HEPA will be replaced or not preferred anymore is just a matter of time.
The Intelli-Check™ Filter Monitors will indicate replacement of the pre-filter and the
HEPA filter. Depending upon your individual usage (environment and hours used),
you may need to check and replace the filters more or less frequently.
To check Expected Filter Life Usage
When the unit is turned on, quickly press the appropriate filter monitor button. The
pre-filter light will flash up to 3 times and the HEPA filter light will flash up to 4 times,
depending upon how much expected filter life has been used.
PREFILTER:
1 flash = from new, up to 1/3 expected life used up
2 flashes = between 1/3 and 2/3 expected life used up
3 flashes = between 2/3 and all of expected life used up
Remains on = time to check/replace pre-filter
HEPA FILTER:
1 flash = from new, up to 1/4 expected life used up
2 flashes = between 1/4 and 1/2 expected life used up
3 flashes = between 1/2 and 3/4 expected life used up
4 flashes = between 3/4 and all of expected life used up
Remains on = time to check/replace HEPA filter
To RESET Filter Monitor
When the filter monitor light remains on, it is time to check/replace the filter and reset
the filter monitor, if needed. With the unit powered on, press and hold the appropriate
filter monitor button down for approximately 5 seconds until the light turns off.
Depending upon your individual usage (environment and hours
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